424040231 has 8 divisors (see below), whose sum is σ = 449293680. Its totient is φ = 398821248.

The previous prime is 424040147. The next prime is 424040237. The reversal of 424040231 is 132040424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424040231 is a prime.

It is a super-2 number, since 2×424040231² = 359620235013066722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424040237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19340 + ... + 34958.

It is an arithmetic number, because the mean of its divisors is an integer number (56161710).

Almost surely, 2^424040231 is an apocalyptic number.

424040231 is a deficient number, since it is larger than the sum of its proper divisors (25253449).

424040231 is a wasteful number, since it uses less digits than its factorization.

424040231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 424040231 is about 20592.2371538403. The cubic root of 424040231 is about 751.2809109626.

Adding to 424040231 its reverse (132040424), we get a palindrome (556080655).

The spelling of 424040231 in words is "four hundred twenty-four million, forty thousand, two hundred thirty-one".